JEE Main2012MathematicsCircleActual
The length of the diameter of the circle which touches the x -axis at the point (1,0) and passes through the point (2,3) is
Options
- A10 3
- B3 5
- C6 5
- D5 3
Correct answer
A. 10 3
Step-by-step solution
Let (h, k) be centre. array ll (h-1)^2+(k-0)^2=k^2 & h=1 (h-2)^2+(k-3)^2=k^2 & k= 5 3 array diameter is 2 k = 10 3